patch-2.3.99-pre6 linux/drivers/char/n_hdlc.c

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diff -u --recursive --new-file v2.3.99-pre5/linux/drivers/char/n_hdlc.c linux/drivers/char/n_hdlc.c
@@ -978,6 +978,8 @@
  * Return Value:
  * 
  * 	bit mask containing info on which ops will not block
+ *
+ * Note: Called without the kernel lock held. Which is fine.
  */
 static unsigned int n_hdlc_tty_poll (struct tty_struct *tty,
 	 struct file *filp, poll_table * wait)

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